GLOSSARY

Output tax

Also known as: Output VAT, VAT output tax

Reviewed 3 min read

Quick definition

Output tax is VAT a vendor must account for on taxable supplies and other transactions covered by the VAT rules. Its amount and reporting period depend on the transaction, applicable rate and accounting rules. It is not always the VAT collected in cash during the month. Output tax is compared with allowable input tax and other relevant adjustments in preparing the VAT return.

What output tax means

Output tax is the VAT side associated with a vendor’s supplies and other transactions for which the law requires VAT to be accounted for. A standard taxable customer sale is a familiar example, but the review should not stop at cash sales.

The SARS VAT 404 guide explains the invoice and payments bases and the treatment of relevant supplies. The applicable basis affects when amounts enter the return.

Classify the transaction before calculating VAT. Standard-rated, zero-rated and exempt supplies are not identical categories. A zero-rated supply remains taxable even though its VAT rate is zero.

Why timing and transaction classification matter

A customer’s delayed payment does not automatically defer the vendor’s VAT obligation. Check the applicable time-of-supply and accounting rules, rather than assuming every return follows the bank statement alone.

Keep sales invoices, credit notes, customer receipts and the sales ledger connected. Explain differences between invoiced sales and bank receipts so that a deposit, overdue invoice or adjustment is not missed or counted twice.

Review quotations and agreed prices before supplying customers. SARS’s vendor obligations include VAT treatment of advertised or quoted prices and the issue of tax invoices where required. The customer document and the accounting record should describe the same transaction.

The taxable-supplies record guide helps distinguish sales from other receipts, although registration analysis and a VAT return are separate tasks.

Illustrative example: a customer pays later

A fictional VAT vendor supplies repair services and issues a customer invoice. The customer pays after the vendor’s reporting period has ended. The bookkeeper must determine the correct VAT period from the applicable rules, not simply move the transaction into the month of payment.

The invoice remains linked to the customer account. When payment arrives, the receipt settles that account; it should not create a second taxable sale in the books.

If part of the original charge is later genuinely reversed, the business reviews the credit-note and adjustment requirements. It does not delete the original sale from the history merely to make the bank reconciliation easier.

This is an illustration of timing and record control. The actual answer depends on the vendor’s accounting basis and the facts of the supply.

What output tax is not

Output tax is not the business’s profit or the whole selling price. It is also not necessarily the final amount payable to SARS. The VAT return brings together output tax, allowable input tax and other applicable adjustments.

Not every bank receipt is consideration for a taxable supply. A loan or owner contribution needs its own accounting explanation. Conversely, a relevant VAT transaction can require attention even when it does not look like an ordinary cash sale.

A customer being VAT registered does not automatically make the supplier’s sale zero-rated. Check the nature of the supply and its conditions. For VAT-return preparation, provide the transaction records and explain unusual receipts, credit notes and unpaid invoices.

Sources and review

Checked on 30 September 2026. Use the linked official guidance for current requirements and forms.

  1. SARS VAT 404 guide

    Invoice/payments basis, taxable supplies and output-tax accounting; current figures not needed for this definition.

  2. SARS vendor obligations

    Output-tax accounting, invoices and VAT201 distinction.

YOUR NEXT STEP

Support for Tax returns submission

Discuss your records and the support your business needs.

Explore Tax returns submission
LET’S MOVE YOUR BUSINESS FORWARD

Submit your enquiry, then create an account to follow your request.

  1. 01 Service
  2. 02 Details
  3. 03 Contact
  4. 04 Review

STEP 1 OF 4

What can we help with?

Privacy notice (opens in a new tab)